Vacuum system



FIG. 1 is a front right perspective view of a vacuum system, showing our design.

FIG. 2 is a front left perspective view thereof.

FIG. 3 is a rear right perspective view thereof.

FIG. 4 is a rear left perspective view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a left side elevation view thereof.

FIG. 7 is a front elevation view thereof; and,

FIG. 8 is a top plan view thereof.

The broken line showing of elements is included for the purposes of illustrating portions of the vacuum system and form no part of the claimed design. 

CLAIM The ornamental design for a vacuum system, as shown and described. 